/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You under the Apache License, Version 2.0
 * (the "License"); you may not use this file except in compliance with
 * the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package org.geekbang.thinking.in.spring.aop.overview;

/**
 * @author <a href="mailto:mercyblitz@gmail.com">Mercy</a>
 * @since
 */
public class ProxyEchoService implements EchoService {

    private final EchoService echoService;

    public ProxyEchoService(EchoService echoService) {
        this.echoService = echoService;
    }

    @Override
    public String echo(String message) {
        long startTime = System.currentTimeMillis();
        String result = echoService.echo(message);
        long costTime = System.currentTimeMillis() - startTime;
        System.out.println("echo 方法执行的实现：" + costTime + " ms.");
        return result;
    }
}
